... plated,colourful zine plated,hot dip galvanized,mechanical plated,black finished DIN:976 Threaded RodThreaded Rod,such as bright,zinc plated,colourful zine plated ... ,hot dip galvanized,mechanical plated,black finishedDIN:976Matrerial : Steel, ... blacked,zinc,copper,hot dip zinc,mechanical plated.Years of threaded rod export experience make ...